72197025 has 12 divisors (see below), whose sum is σ = 119365872. Its totient is φ = 38505040.

The previous prime is 72196997. The next prime is 72197033. The reversal of 72197025 is 52079127.

It is not a de Polignac number, because 72197025 - 2⁷ = 72196897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481239 + ... + 481388.

It is an arithmetic number, because the mean of its divisors is an integer number (9947156).

Almost surely, 2^72197025 is an apocalyptic number.

72197025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72197025 is a deficient number, since it is larger than the sum of its proper divisors (47168847).

72197025 is a wasteful number, since it uses less digits than its factorization.

72197025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962640 (or 962635 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 72197025 is about 8496.8832521107. The cubic root of 72197025 is about 416.3958898477.

The spelling of 72197025 in words is "seventy-two million, one hundred ninety-seven thousand, twenty-five".